LFUS

SEC source: 0001567619-21-008733 · doc1.xml · nonDerivative · entry 1

Nayar Deepak · CIK 0001526287 · SVP & GM Electronics Business

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,253

F1 · price: Closing price per share on date of vesting of restricted stock units.

SEC source: 0001567619-21-008732 · doc1.xml · nonDerivative · entry 1

HEINZMANN DAVID W · CIK 0001279765 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 51,564

F1 · price: Closing price per share on date of vesting of restricted stock units.

SEC source: 0001567619-21-008648 · doc1.xml · nonDerivative · entry 3

HEINZMANN DAVID W · CIK 0001279765 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 0

F3 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the applicable Trust on March 10, 2021.

SEC source: 0001567619-21-008648 · doc1.xml · nonDerivative · entry 2

HEINZMANN DAVID W · CIK 0001279765 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 53,683

F2 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 10, 2021.

SEC source: 0001567619-21-008663 · doc1.xml · nonDerivative · entry 1

Conrad Alexander · CIK 0001766692 · SVP &GM Passenger Vehicle

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,759

F1 · price: Closing price per share on date of vesting of restricted stock units.

SEC source: 0001567619-21-008662 · doc1.xml · nonDerivative · entry 1

Gorski Jeffrey G · CIK 0001685837 · VP & Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,007

F1 · price: Closing price per share on date of vesting of restricted stock units.

SEC source: 0001567619-21-008661 · doc1.xml · nonDerivative · entry 1

Sethna Meenal · CIK 0001643464 · Executive VP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,210

F1 · price: Closing price per share on date of vesting of restricted stock units.

SEC source: 0001567619-21-008660 · doc1.xml · nonDerivative · entry 1

Cole Matthew · CIK 0001643462 · SVP eMobility & Corp Strategy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,847

F1 · price: Closing price per share on date of vesting of restricted stock units.

SEC source: 0001567619-21-008659 · doc1.xml · nonDerivative · entry 1

Stafford Ryan K · CIK 0001384707 · EVP, CLO, CHRO & Corp Secy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,539

F1 · price: Closing price per share on date of vesting of restricted stock units.

SEC source: 0001567619-21-008658 · doc1.xml · nonDerivative · entry 1

Nayar Deepak · CIK 0001526287 · SVP & GM Electronics Business

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,439

F1 · price: Closing price per share on date of vesting of restricted stock units.

SEC source: 0001567619-21-008656 · doc1.xml · nonDerivative · entry 1

HEINZMANN DAVID W · CIK 0001279765 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 52,560

F1 · price: Closing price per share on date of vesting of restricted stock units.

SEC source: 0001567619-21-008648 · doc1.xml · nonDerivative · entry 1

HEINZMANN DAVID W · CIK 0001279765 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,979

F1 · price: Closing price per share on date of vesting of restricted stock units.

SEC source: 0001567619-21-008638 · doc1.xml · nonDerivative · entry 1

Conrad Alexander · CIK 0001766692 · SVP &GM Passenger Vehicle

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,869

F1 · price: Closing price per share on date of vesting of restricted stock units.

SEC source: 0001567619-21-008636 · doc1.xml · nonDerivative · entry 1

Gorski Jeffrey G · CIK 0001685837 · VP & Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,092

F1 · price: Closing price per share on date of vesting of restricted stock units.

SEC source: 0001567619-21-008635 · doc1.xml · nonDerivative · entry 1

Sethna Meenal · CIK 0001643464 · Executive VP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,504

F1 · price: Closing price per share on date of vesting of restricted stock units.

SEC source: 0001567619-21-008634 · doc1.xml · nonDerivative · entry 1

Cole Matthew · CIK 0001643462 · SVP eMobility & Corp Strategy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,915

F1 · price: Closing price per share on date of vesting of restricted stock units.

SEC source: 0001567619-21-008633 · doc1.xml · nonDerivative · entry 1

Stafford Ryan K · CIK 0001384707 · EVP, CLO, CHRO & Corp Secy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,982

F1 · price: Closing price per share on date of vesting of restricted stock units.

SEC source: 0001567619-21-008631 · doc1.xml · nonDerivative · entry 1

Nayar Deepak · CIK 0001526287 · SVP & GM Electronics Business

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,640

F1 · price: Closing price per share on date of vesting of restricted stock units.

SEC source: 0001567619-21-008599 · doc1.xml · derivative · entry 3

HEINZMANN DAVID W · CIK 0001279765 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,844

Underlying: Common Stock · 18,844 shares

Expires 2028-04-22

F3 · derivative.exercise_date: The option vests in increments of one third annually beginning on the first anniversary of the date of grant.

SEC source: 0001567619-21-008599 · doc1.xml · nonDerivative · entry 1

HEINZMANN DAVID W · CIK 0001279765 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 59,310

F1 · shares: Represents the grant of restricted stock units to the reporting person pursuant to the Amended and Restated Littelfuse, Inc. Long-Term Incentive Plan. The grant vests in increments of one third annually beginning on the first anniversary of the date of grant.

F2 · balance_after: The total number of shares beneficially owned has been adjusted to reflect a reconciliation to the reporting person's account records.

SEC source: 0001567619-21-008598 · doc1.xml · nonDerivative · entry 1

Gorski Jeffrey G · CIK 0001685837 · VP & Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,244

F1 · shares: Represents the grant of restricted stock units to the reporting person pursuant to the Amended and Restated Littelfuse, Inc. Long-Term Incentive Plan. The grant vests in increments of one third annually beginning on the first anniversary of the date of grant.

SEC source: 0001567619-21-008597 · doc1.xml · derivative · entry 2

Nayar Deepak · CIK 0001526287 · SVP & GM Electronics Business

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,300

Underlying: Common Stock · 4,300 shares

Expires 2028-04-22

F2 · derivative.exercise_date: The option vests in increments of one third annually beginning on the first anniversary of the date of grant.

SEC source: 0001567619-21-008597 · doc1.xml · nonDerivative · entry 1

Nayar Deepak · CIK 0001526287 · SVP & GM Electronics Business

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,988

F1 · shares: Represents the grant of restricted stock units to the reporting person pursuant to the Amended and Restated Littelfuse, Inc. Long-Term Incentive Plan. The grant vests in increments of one third annually beginning on the first anniversary of the date of grant.

SEC source: 0001567619-21-008596 · doc1.xml · derivative · entry 2

Conrad Alexander · CIK 0001766692 · SVP &GM Passenger Vehicle

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,555

Underlying: Common Stock · 2,555 shares

Expires 2028-04-22

F2 · derivative.exercise_date: The option vests in increments of one third annually beginning on the first anniversary of the date of grant.

SEC source: 0001567619-21-008596 · doc1.xml · nonDerivative · entry 1

Conrad Alexander · CIK 0001766692 · SVP &GM Passenger Vehicle

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,105

F1 · shares: Represents the grant of restricted stock units to the reporting person pursuant to the Amended and Restated Littelfuse, Inc. Long-Term Incentive Plan. The grant vests in increments of one third annually beginning on the first anniversary of the date of grant.

SEC source: 0001567619-21-008595 · doc1.xml · derivative · entry 2

Cole Matthew · CIK 0001643462 · SVP eMobility & Corp Strategy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,162

Underlying: Common Stock · 2,162 shares

Expires 2028-04-22

F2 · derivative.exercise_date: The option vests in increments of one third annually beginning on the first anniversary of the date of grant.

SEC source: 0001567619-21-008595 · doc1.xml · nonDerivative · entry 1

Cole Matthew · CIK 0001643462 · SVP eMobility & Corp Strategy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,021

F1 · shares: Represents the grant of restricted stock units to the reporting person pursuant to the Amended and Restated Littelfuse, Inc. Long-Term Incentive Plan. The grant vests in increments of one third annually beginning on the first anniversary of the date of grant.

SEC source: 0001567619-21-008594 · doc1.xml · derivative · entry 2

Stafford Ryan K · CIK 0001384707 · EVP, CLO, CHRO & Corp Secy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,023

Underlying: Common Stock · 10,023 shares

Expires 2028-04-22

F2 · derivative.exercise_date: The option vests in increments of one third annually beginning on the first anniversary of the date of grant.

SEC source: 0001567619-21-008594 · doc1.xml · nonDerivative · entry 1

Stafford Ryan K · CIK 0001384707 · EVP, CLO, CHRO & Corp Secy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,682

F1 · shares: Represents the grant of restricted stock units to the reporting person pursuant to the Amended and Restated Littelfuse, Inc. Long-Term Incentive Plan. The grant vests in increments of one third annually beginning on the first anniversary of the date of grant.

SEC source: 0001567619-21-008593 · doc1.xml · derivative · entry 2

Sethna Meenal · CIK 0001643464 · Executive VP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,793

Underlying: Common Stock · 6,793 shares

Expires 2028-04-22

F2 · derivative.exercise_date: The option vests in increments of one third annually beginning on the first anniversary of the date of grant.

SEC source: 0001567619-21-008593 · doc1.xml · nonDerivative · entry 1

Sethna Meenal · CIK 0001643464 · Executive VP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,970

F1 · shares: Represents the grant of restricted stock units to the reporting person pursuant to the Amended and Restated Littelfuse, Inc. Long-Term Incentive Plan. The grant vests in increments of one third annually beginning on the first anniversary of the date of grant.

SEC source: 0001567619-21-008587 · doc1.xml · derivative · entry 2

ZOMMER NATHAN · CIK 0001071349 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 574

Underlying: Common Stock · 574 shares

Expires 2028-04-22

F2 · derivative.exercise_date: The option vests in increments of one third annually beginning on the first anniversary of the date of grant.

SEC source: 0001567619-21-008587 · doc1.xml · nonDerivative · entry 1

ZOMMER NATHAN · CIK 0001071349 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 262,906

F1 · shares: Represents the grant of restricted stock units to the reporting person pursuant to the Amended and Restated Littelfuse, Inc. Long-Term Incentive Plan. The grant vests in increments of one third annually beginning on the first anniversary of the date of grant.

SEC source: 0001567619-21-008586 · doc1.xml · derivative · entry 2

NOGLOWS WILLIAM P · CIK 0001201094 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 574

Underlying: Common Stock · 574 shares

Expires 2028-04-22

F2 · derivative.exercise_date: The option vests in increments of one third annually beginning on the first anniversary of the date of grant.

SEC source: 0001567619-21-008586 · doc1.xml · nonDerivative · entry 1

NOGLOWS WILLIAM P · CIK 0001201094 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,776

F1 · shares: Represents the grant of restricted stock units to the reporting person pursuant to the Amended and Restated Littelfuse, Inc. Long-Term Incentive Plan. The grant vests in increments of one third annually beginning on the first anniversary of the date of grant.

SEC source: 0001567619-21-008585 · doc1.xml · derivative · entry 2

HUNTER GORDON · CIK 0001186518 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 574

Underlying: Common Stock · 574 shares

Expires 2028-04-22

F2 · derivative.exercise_date: The option vests in increments of one third annually beginning on the first anniversary of the date of grant.

SEC source: 0001567619-21-008585 · doc1.xml · nonDerivative · entry 1

HUNTER GORDON · CIK 0001186518 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,601

F1 · shares: Represents the grant of restricted stock units to the reporting person pursuant to the Amended and Restated Littelfuse, Inc. Long-Term Incentive Plan. The grant vests in increments of one third annually beginning on the first anniversary of the date of grant.

SEC source: 0001567619-21-008584 · doc1.xml · derivative · entry 2

GRILLO ANTHONY · CIK 0001070847 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 574

Underlying: Common Stock · 574 shares

Expires 2028-04-22

F2 · derivative.exercise_date: The option vests in increments of one third annually beginning on the first anniversary of the date of grant.

SEC source: 0001567619-21-008584 · doc1.xml · nonDerivative · entry 1

GRILLO ANTHONY · CIK 0001070847 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,830

F1 · shares: Represents the grant of restricted stock units to the reporting person pursuant to the Amended and Restated Littelfuse, Inc. Long-Term Incentive Plan. The grant vests in increments of one third annually beginning on the first anniversary of the date of grant.

SEC source: 0001567619-21-008582 · doc1.xml · derivative · entry 2

GREEN MARIA C · CIK 0001525175 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 574

Underlying: Common Stock · 574 shares

Expires 2028-04-22

F2 · derivative.exercise_date: The option vests in increments of one third annually beginning on the first anniversary of the date of grant.

SEC source: 0001567619-21-008582 · doc1.xml · nonDerivative · entry 1

GREEN MARIA C · CIK 0001525175 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,203

F1 · shares: Represents the grant of restricted stock units to the reporting person pursuant to the Amended and Restated Littelfuse, Inc. Long-Term Incentive Plan. The grant vests in increments of one third annually beginning on the first anniversary of the date of grant.

SEC source: 0001567619-21-008581 · doc1.xml · derivative · entry 2

FU CARY T · CIK 0000902398 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 574

Underlying: Common Stock · 574 shares

Expires 2028-04-22

F2 · derivative.exercise_date: The option vests in increments of one third annually beginning on the first anniversary of the date of grant.

SEC source: 0001567619-21-008581 · doc1.xml · nonDerivative · entry 1

FU CARY T · CIK 0000902398 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,147

F1 · shares: Represents the grant of restricted stock units to the reporting person pursuant to the Amended and Restated Littelfuse, Inc. Long-Term Incentive Plan. The grant vests in increments of one third annually beginning on the first anniversary of the date of grant.

SEC source: 0001567619-21-008580 · doc1.xml · derivative · entry 2

CHUNG T J · CIK 0001217168 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 574

Underlying: Common Stock · 574 shares

Expires 2028-04-22

F2 · derivative.exercise_date: The option vests in increments of one third annually beginning on the first anniversary of the date of grant.

SEC source: 0001567619-21-008580 · doc1.xml · nonDerivative · entry 1

CHUNG T J · CIK 0001217168 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,879

F1 · shares: Represents the grant of restricted stock units to the reporting person pursuant to the Amended and Restated Littelfuse, Inc. Long-Term Incentive Plan. The grant vests in increments of one third annually beginning on the first anniversary of the date of grant.

SEC source: 0001567619-21-008579 · doc1.xml · derivative · entry 2

Cerniglia Kristina A. · CIK 0001614437 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 574

Underlying: Common Stock · 574 shares

Expires 2028-04-22

F2 · derivative.exercise_date: The option vests in increments of one third annually beginning on the first anniversary of the date of grant.

SEC source: 0001567619-21-008579 · doc1.xml · nonDerivative · entry 1

Cerniglia Kristina A. · CIK 0001614437 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,739

F1 · shares: Represents the grant of restricted stock units to the reporting person pursuant to the Amended and Restated Littelfuse, Inc. Long-Term Incentive Plan. The grant vests in increments of one third annually beginning on the first anniversary of the date of grant.

SEC source: 0001567619-21-007554 · doc1.xml · nonDerivative · entry 3

ZOMMER NATHAN · CIK 0001071349 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 262,510

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 27, 2020.

F4 · price: The shares were sold in multiple transactions at prices ranging from $266.63 to $267.54, inclusive. This amount represents the weighted average sale price of such transactions. The reporting person undertakes to provide full information regarding the number of shares sold at each separate price upon request of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

SEC source: 0001567619-21-007554 · doc1.xml · nonDerivative · entry 2

ZOMMER NATHAN · CIK 0001071349 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 263,251

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 27, 2020.

F3 · price: The shares were sold in multiple transactions at prices ranging from $265.55 to $266.49, inclusive. This amount represents the weighted average sale price of such transactions. The reporting person undertakes to provide full information regarding the number of shares sold at each separate price upon request of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

SEC source: 0001567619-21-007554 · doc1.xml · nonDerivative · entry 1

ZOMMER NATHAN · CIK 0001071349 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 264,310

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 27, 2020.

F2 · price: The shares were sold in multiple transactions at prices ranging from $264.37 to $265.30, inclusive. This amount represents the weighted average sale price of such transactions. The reporting person undertakes to provide full information regarding the number of shares sold at each separate price upon request of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.